. >> the constitution of the united states. >> the constitution of the united states. >> so help you god. >> so help me god. >> congratulations, mr. president. >> a new term begins for president barack obama officially sworn in. big crowds already descending on the national mall for the build yn hupp to tomorrow's public ceremony and parade. good evening. i'm jim rosenfield. it's been a busy day in and around washington. rehearsals on the inauguration stage and parade preparations leading to gridlock downtown. more streets will be closed tomorrow, but crews blocked off pennsylvania avenue this morning to get ready for the inaugural parade. vice president joe biden took his official oath of office from supreme court justice sonia sotomayor at the naval observatory. soon after that he and the president laid a wreath at arlington national cemetery, and then at noon in the white house president obama received the official oath of office from chief justice john roberts, which the constitution requires on january 20th. we have team coverage of this inauguration sunday. darcy spencer is dow